Fa and b are wo vectors, then div(äx b) =. (a) a div b +b diva (b) a curl b+b curl aa (c) b curlá-d curlb (d) b divl ā-ā divb o a o b o c od the value of curl ā

fa and b are wo vectors, then div(äx b) =. (a) a div b +b diva (b) a curl b+b curl aa (c) b curlá-d curlb (d) b divl ā-ā divb O a O b O C Od The value of curl ā is (where d is constant) (a) 0 (b)1 ()2 (d) None of these O a O b Oc Od